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GPU Comparison
NVIDIA GeForce GTX 850M vs NVIDIA GeForce 8400M G
NVIDIA GeForce GTX 850M vs NVIDIA GeForce 8400M G
VS
NVIDIA GeForce GTX 850M
NVIDIA GeForce 8400M G
We compared two Mobile platform GPUs: 2GB VRAM GeForce GTX 850M and 256MB VRAM GeForce 8400M G to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTX 850M 's Advantages
Released 6 years and 10 months late
Larger VRAM bandwidth (32.03GB/s vs 6.400GB/s)
632 additional rendering cores
NVIDIA GeForce 8400M G 's Advantages
Lower TDP (10W vs 45W)
Score
Benchmark
FP32 (float)
GeForce GTX 850M
+8784%
1.155 TFLOPS
GeForce 8400M G
0.013 TFLOPS
GeForce GTX 850M
VS
GeForce 8400M G
Graphics Card
Mar 2014
Release Date
May 2007
GeForce 800M
Generation
GeForce 8M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16
Clock Speeds
-
Base Clock
-
-
Boost Clock
-
1001 MHz
Memory Clock
400 MHz
Memory
2GB
Memory Size
256MB
DDR3
Memory Type
GDDR3
128bit
Memory Bus
64bit
32.03GB/s
Bandwidth
6.400GB/s
Render Config
-
SM Count
1
-
Compute Units
-
640
Shading Units
8
40
TMUs
8
16
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
64 KB (per SMM)
L1 Cache
-
2 MB
L2 Cache
16 KB
Theoretical Performance
14.43 GPixel/s
Pixel Rate
1.600 GPixel/s
36.08 GTexel/s
Texture Rate
3.200 GTexel/s
-
FP16 (half)
-
1155 GFLOPS
FP32 (float)
12.80 GFLOPS
36.08 GFLOPS
FP64 (double)
-
Graphics Processor
GM107
GPU Name
G86
N15P-GT-A1
GPU Variant
NB8M-SE
Maxwell
Architecture
Tesla
TSMC
Foundry
TSMC
28 nm
Process Size
80 nm
1.87 billion
Transistors
0.21 billion
148 mm²
Die Size
127 mm²
Board Design
45W
TDP
10W
-
Suggested PSU
-
No outputs
Outputs
No outputs
-
Power Connectors
None
Graphics Features
12 (11_0)
DirectX
11.1 (10_0)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.3
Vulkan
N/A
5.0
CUDA
1.1
5.1
Shader Model
4.0
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